Alternators The speed of a salient pole machine is nearly 1000 rpm 3000 rpm 500 rpm 1500 rpm 1000 rpm 3000 rpm 500 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 2 4 12 8 2 4 12 8 ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Lagging Zero Leading Unity Lagging Zero Leading Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the stator frame serves To protect the whole machine To hold the armature stampings As a return path for the flux To verticate the armature To protect the whole machine To hold the armature stampings As a return path for the flux To verticate the armature ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is usually Equal to that of power transformer Much higher than that of a power transformer Much lower than that of power transformer None of the listed here Equal to that of power transformer Much higher than that of a power transformer Much lower than that of power transformer None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because It limits the value of short circuit current None of the listed here It reduces the construction cost We employ automatic voltage regulators It limits the value of short circuit current None of the listed here It reduces the construction cost We employ automatic voltage regulators ANSWER DOWNLOAD EXAMIANS APP